Measurements:
°C
°F
St. George Island
86°F
SW 7 mph
Feels like: 94°F
Precip: 6%
World Resorts USA St. George Island Weather

St. George Island Sea Water Temperature

Current Sea Water Temperature:
+90.4°F
Maximum Sea Water Temperature in September: 91.2°F
Minimum Sea Water Temperature in September: 82.4°F
Average water temperature in September: 87.8°F

Sea Water Temperature for the Last 10 Days:

September 15 90.4°F September 10 89.8°F
September 14 90.0°F September 09 90.4°F
September 13 89.2°F September 08 91.0°F
September 12 89.6°F September 07 90.8°F
September 11 90.0°F September 06 90.4°F

When is the Warmest Sea for St. George Island?

According to our data for the last three years for St. George Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for St. George Island was 90.8°F. The maximum and minimum values were 89.2°F and 92.4°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St. George Island was 90.3°F. The maximum and minimum values were 88.2°F and 92.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for St. George Island was 89.9°F. The maximum and minimum values were 88.8°F and 91.0°F respectively.

Best Time to Visit St. George Island
The most sunny months:
October 20 days
March 16 days
April 16 days
The most warm months:
July 91.2 °F
August 90.6 °F
June 88.9 °F
Warmest sea temperature:
August 90.6 °F
July 89.6 °F
September 87.6 °F
The most cold months:
January 59.9 °F
December 63.9 °F
February 64.5 °F
The most rainy months:
August 5 days
July 4 days
September 3 days
The most windy months:
January 9 mph
November 9 mph
March 9 mph

St. George Island on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
St. George Island
Local time: 09:42
15 sep, tuesday
1200 94°F
W
12 mph
1500 94°F
NW
14 mph
1800 94°F
NW
9 mph
2100 88°F
W
7 mph
16 sep, wednesday
0000 88°F
W
16 mph
0300 84°F
W
16 mph
0600 84°F
W
14 mph
0900 84°F
W
15 mph